Home / 369,985.49-510,579.96-200,219.62

Finding the Fourth Proportional to 369,985.49, 510,579.96 and 200,219.62

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Solution

The fourth proportional to 369,985.49, 510,579.96 and 200,219.62 is: 276,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.49 : 510,579.96 = 200,219.62 : x
  2. Step 2: Convert to fraction form
    369,985.49/510,579.96 = 200,219.62/x
  3. Step 3: Cross multiply
    369,985.49x = 510,579.96 × 200,219.62
  4. Step 4: Simplify right side
    369,985.49x = 102,228,125,570.82
  5. Step 5: Solve for x
    x = 102,228,125,570.82/369,985.49
  6. Step 6: Final answer
    x = 276,303.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.